Eroare de compilare: main.cpp: In function 'bool comp(Point, Point)': main.cpp:22:38: error: 'atan2' was not declared in this scope return atan2(a.x - c.x, a.y - c.y) < atan2(b.x - c.x, b.y - c.y); ^ main.cpp: In function 'double dist(Point, Point)': main.cpp:27:70: error: 'sqrt' was not declared in this scope return sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)); ^ main.cpp: In function 'int main()': main.cpp:42:26: error: 'sort' was not declared in this scope sort(v+1, v+n+1, comp); ^ main.cpp:58:33: error: 'setprecision' was not declared in this scope g << fixed << setprecision(4) << max(dp[n], dp2[n])); ^ Non zero exit status: 1